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Network Engineer

Job in Sheffield, South Yorkshire, S5, England, UK
Listing for: FITFILE
Full Time position
Listed on 2026-02-16
Job specializations:
  • IT/Tech
    Systems Engineer, Cloud Computing
Job Description & How to Apply Below

Join to apply for the Network Engineer role at FITFILE

Join to apply for the Network Engineer role at FITFILE

FITFILE is seeking a highly skilled and dedicated Network Engineer with a specialisation in cloud-native environments and tooling, particularly within the Kubernetes ecosystem. The company’s diverse clientele, including major healthcare organisations, rely on the team’s deep expertise to deliver robust, scalable, and secure network solutions. This pivotal role is critical for bridging data provider on-premises or cloud environments with FITFILE’s cloud-first infrastructure, ensuring seamless integration and a stringent security posture across the company’s multi-cloud and on-premise deployments.

FITFILE is looking for someone who inherently understands cloud networking and cloud-native tooling, rather than a generic Dev Ops practitioner.

The successful candidate has 5-10 years of platform engineering experience and has accumulated the below-outlined skills ideally in fast-growing teams where data is the product. In addition, healthcare experience is very important to have the necessary sensitivity and understanding of operational environments. In any case, a keen interest in how healthcare can be improved with better use of data and a commitment to quickly learning specifically relevant aspects are essential.

The successful candidate will help anticipate, plan for and execute the optimal evolution and delivery of FITFILE’s networking, software deployment and operation.

The lean, agile and relatively early-stage nature of FITFILE will necessitate a hands-on and pragmatic approach to meeting stretch deadlines with limited resources.

What will you do?

As a Platform Engineer at FITFILE, you will be instrumental in:

  • Enforcing secure configurations on Kubernetes clusters with OPA policies and other best practices
  • Designing, integrating, deploying, and managing network infrastructure, including firewalls, load balancers, DNS (public and private) and routing (cloud and/or physical networks)
  • Implementing system-wide zero-trust security principles (for tools/ systems/ platforms)
  • Rolling out maintenance upgrades/patches to distributed systems
  • Troubleshooting and resolving complex network issues across various platforms and environments
  • Automating infrastructure provisioning and management using Terraform and Git Ops processes
  • Implementing and maintaining a cloud native observability system, across multiple environments
  • Collaborating proactively with internal and external teams to gather requirements and provide tailored, secure solutions

Experience with FITFILE-relevant tooling

The successful candidate will be able to showcase a deep understanding of the underlying principles of secure networking. To provide insight into the tools we currently use, the relevant technology stack is listed below:

  • Hashicorp Vault (Secrets management)
  • Grafana stack for observability
  • Terraform (Terraform Cloud)
  • Auth0
  • Cloudflare
  • Trivy/ Renovate/ Sonar Qube

Company Benefits

  • Current “virtual-first” approach to support flexible personal location
  • Regular team events and strong emphasis on a supportive, enjoyable culture
  • Attractive compensation package
  • 24/7 employee assistance programme
  • 25 days of holiday + bank holidays
  • Last but not least: solving meaningful challenges to make a real difference to lives

Interview Process

You will meet other engineers, be set a test and then meet non-technical colleagues including the Founder and CEO. We aim to be fast, clear and easy to interact with.

Seniority level
  • Seniority level

    Mid-Senior level
Employment type
  • Employment type

    Full-time
Job function
  • Job function

    Information Technology and Engineering
  • Industries Software Development

Referrals increase your chances of interviewing at FITFILE by 2x

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